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458-452DC TDO (Two-Row Double-Outer Race) (Imperial)

458-452DC TDO (Two-Row Double-Outer Race) (Imperial)

The 458-452DC is a double-row tapered roller bearing with a 1.75″ bore and 4.25″ outer diameter, built from sturdy chrome steel for long-lasting performance. It handles combined loads with a dynamic radial capacity of 53,100 lbf and works well in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the steel cage ensures smooth operation under heavy loads. The bearing is ABEC-1 rated, offering reliable precision for industrial applications.

This model is part of the 455 series, featuring standard cups and a double-row construction for added durability. Ideal for machinery requiring robust load support, such as gearboxes or heavy-duty equipment.

Weighing 6.43 lb, it’s a solid choice for applications where strength and reliability are key. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 458-452DC
  • Brand TFL
  • Size 1.75" x 4.25" x 1.1542"
  • Bore Dia 1.75"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 4.25"
  • Outer Dia Tolerance +0.001" to 0
  • Double Cup Width 2.125"
  • Double Cup Width Tolerance +0.003" to -0.01
  • Cone Width 1.1542"
  • Cone Width Tolerance +0.002" to -0.01
  • Bearing Width Across Cups 2.5625"
  • Bearing Width Across Cups Tolerance +0.008" to 0
  • Cup Backface ToClear Radius 0.03"
  • Cone Backface Backing Diameter 2.17"
  • Cup Frontface Backing Diameter 3.96"
  • Cage Cone Backface Clearance 0.07"
  • Dynamic Radial Load 53100 lbf
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 458
  • Cup Part Number 452DC
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Double Row
  • Seal Type Open
  • Cups Type Standard
  • Series 455
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Rating(One Row 90 Million Revolutions) 7900 lbf
  • Dynamic Thrust Rating(90 Million Revolutions) 4540 lbf
  • Dynamic Radial Rating(Two Row 90 Million Revolutions) 13800 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 6.43 lb

Features

How Is 458-452DC Bearing Engineered for Reliability?

458-452DC Bearing features a double-row tapered roller design, providing strong resistance to combined radial and thrust loads.
Its chrome steel construction ensures durability, with a dynamic radial load capacity of 53,100 lbf.

The steel cage maintains roller alignment, reducing friction and extending service life.
With a standard radial clearance, it offers reliable performance in various industrial applications.

Designed for temperatures from -30° to 110°C, 458-452DC Bearing performs well in demanding conditions.
Its open seal type allows for easy lubrication, ensuring smooth operation over time.

Application

Industrial Uses of 458-452DC Bearing
458-452DC Bearing is commonly used in heavy machinery, such as construction equipment and mining tools, where its double-row design handles combined radial and thrust loads efficiently. The chrome steel construction ensures durability in tough working conditions.

Where Is 458-452DC Bearing Used?
You’ll often find 458-452DC Bearing in agricultural machinery, like tractors and harvesters, where its tapered roller design provides reliable performance. The inch sizing makes it a good fit for North American equipment standards.

Built for Heavy-Duty Use: 458-452DC Bearing
458-452DC Bearing excels in industrial gearboxes, offering smooth operation under high loads. Its open design allows for easy lubrication, extending service life in demanding applications.

Automotive vs Aerospace: Applications of 458-452DC Bearing
In automotive applications, 458-452DC Bearing supports wheel hubs and drivetrains, while in aerospace, it’s used in auxiliary systems. The ABEC-1 rating ensures consistent performance across both fields.

Perfect Fit for Automation: 458-452DC Bearing
458-452DC Bearing is a solid choice for robotic arms and conveyor systems in automated factories. Its steel cage and tapered rollers provide stability during repetitive movements.

Q&A

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